Water Holding Capacity Test
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Price
$80 per analysis
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Turnaround time 7 - 9 Business Days
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Rush Available
Technical data sheet
Print- Method description
Samples are weighed into centrifuge tubes, and water or an aqueous solution is added. The tubes are covered, and the sample is dispersed in the liquid by shaking. The dispersion is allowed to equilibrate for 20 minutes with repeated shaking every five minutes. The tubes are centrifuged, the clear liquid is poured off, and the contents of the tube are weighed. The water retained by the sample is calculated from the recorded weights.
- Acceptable matrices
This method was developed for grain-based products but can be applied to powders that are insoluble and readily dispersible in water.
- Unacceptable matrices
Any powders not meeting the criteria listed above.
- Equipment
An analytical balance, centrifuge, and centrifuge tubes are required for this method.
- Method reference
Please contact for method details.
- Reportable unit
Results are reported in grams water retained per gram of sample.
- Sample size requirements
20 g
- Information required by submitter
Please supply estimates
- Additional information
The solvent used can be water or an aqueous solution of salts, weak acids, or weak bases, depending on the application.
Common Water Holding Capacity Test Testing Questions
It is a test that measures how much water a sample will hold.
It is the water solvent portion of the AACCI “Solvent Retention Capacity†method. It is designed for wheat flour but can indicate comparative retention of other matrices; however, samples with soluble components are strictly not applicable.
We make every effort to keep our methods and detection limits up to date according to the latest standards and qualifications. If you have any questions regarding the limit of detection/quantification or method references, please contact our Customer Service team at 1-800-245-5615.
Our standard turnaround time is 10 business days for most assays. There are some assays that require a longer turnaround time. We also offer a RUSH service that is half the time of the standard turnaround time of the assay at double the cost of the assay. A few assays that we provide cannot be rushed due to the nature of the test. Please check the specific assay you are interested in regarding the ability to RUSH the turnaround time.
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